EFFICIENT AIR COOLING OF VARYING LOAD ELECTRONICS

A system (10) for cooling an electronics box (14) includes an electronics box (14) with a first portion (16) and a second portion (18). During a low load condition on the electronics box (14) the first portion (16) and the second portion (18) require a substantially similar amount of cooling air and...

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Bibliographische Detailangaben
Hauptverfasser:	SEVERSON, MARK HAMILTON, METZLER, MARK W
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS
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Beschreibung
Zusammenfassung:	A system (10) for cooling an electronics box (14) includes an electronics box (14) with a first portion (16) and a second portion (18). During a low load condition on the electronics box (14) the first portion (16) and the second portion (18) require a substantially similar amount of cooling air and during a high load condition on the electronics box the second portion (18) requires a substantially greater amount of cooling air than the first portion (16). The system further includes a first plenum (20) in fluid communication with the first portion (16) and a second plenum (22) in fluid communication with the second portion (18). A normal cooling air supply is in fluid communication with both the first plenum (20) and the second plenum (22) during the low load condition on the electronics box (14), and a supplemental cooling air supply in fluid communication with the second plenum (22) during the high load condition on the electronics box (14).